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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Partial
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Flow (Ridden Direction)
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
- < 2 days
- < 1 week
- < 2 weeks
- < 1 month
- < 6 months
- > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
- Downhill Only
- Downhill Primary
- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
Contribute Details
Colors indicate trail is missing specified detail.
- Description
- Photos
- Description & Photos
- Videos
Trail Popularity ?
Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months.
Trails are compared with nearby trails in the same city region with a possible 25 colour shades.
Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
Radar Time
x
Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
- mountain biking recent
- mountain biking (>6 month)
- hiking (1 year)
- moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
- Downhill Ski
- Backcountry Ski
- Nordic Ski
- Snowmobile
Winter Trails
Warning
A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
x
Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
Only show trails with NO bikes.
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Activities Click to view
- Mountain Bike
42 trails
- Hike
29 trails
- Trail Running
29 trails
Region Details
- 3
- 6
- 17
- 12
- 4
Region Status
Open as of Mar 29, 2025Stats
- Avg Trail Rating
- Trails (view details)
- 42
- Trails Mountain Bike
- 42
- Trails Hike
- 29
- Trails Trail Running
- 29
- Total Distance
- 22 miles
- Total Descent
- 6,935 ft
- Total Vertical
- 1,778 ft
- Highest Trailhead
- 2,823 ft
- Reports
- 169
- Photos
- 228
- Ridden Counter
- 2,977
Sub Regions
-
Anderson Truck Trail
- 4
- 5
- 4
-
Wright's Field
- 6
- 13
- 7
Popular Alpine Mountain Biking Trails
Photos of Alpine Mountain Bike
trail: Run 3
54 |
May 22, 2022 @ 2:25pm
May 22, 2022
trail: Run 3
40 |
May 22, 2022 @ 2:24pm
May 22, 2022
trail: The Ruins
48 |
May 22, 2022 @ 2:23pm
May 22, 2022
trail: Run 3
40 |
May 22, 2022 @ 2:15pm
May 22, 2022
trail: Mainline
29 |
May 22, 2022 @ 2:15pm
May 22, 2022
trail: Big Momma DH
69 |
May 22, 2022 @ 2:14pm
May 22, 2022Videos of Alpine Mountain Bike

trail: Anderson Truck Trail
32 |
Feb 18, 2025

trail: Anderson Truck Trail
15 |
Feb 18, 2025

trail: Anderson Truck Trail
20 |
Feb 18, 2025

trail: Anderson Truck Trail
16 |
Feb 18, 2025

trail: Anderson Truck Trail
18 |
Feb 18, 2025

trail: Anderson Truck Trail
5:04 |
276 |
Sep 25, 2015

trail: Anderson Truck Trail
12:09 |
228 |
Jun 13, 2015

trail: Run 2
2:06 |
361 |
Jun 7, 2015
Recent Trail Reports
status | trail | date | condition | info | user |
---|---|---|---|---|---|
Big Momma DH | Jan 19, 2025 @ 1:57pm Jan 19, 2025 | Dry | Sassberto | ||
Mainline - Minefield diagonal connector | Apr 19, 2024 @ 1:12am Apr 19, 2024 | Ideal | cedenburn | ||
Minefield | Apr 19, 2024 @ 1:12am Apr 19, 2024 | Ideal | cedenburn | ||
Mainline | Apr 19, 2024 @ 1:12am Apr 19, 2024 | Ideal | cedenburn | ||
Through the middle | Apr 19, 2024 @ 1:12am Apr 19, 2024 | Ideal | cedenburn | ||
East entrance | Apr 19, 2024 @ 1:12am Apr 19, 2024 | Ideal | cedenburn | ||
Olivewood | Oct 4, 2023 @ 1:28am Oct 4, 2023 | Variable | rsdMtnBiker | ||
Big Momma | Oct 4, 2023 @ 1:28am Oct 4, 2023 | Dry | rsdMtnBiker | ||
Run 1 | Jul 5, 2023 @ 2:20am Jul 5, 2023 | Very Dry | ed-hale | ||
backside connector | Jul 5, 2023 @ 2:20am Jul 5, 2023 | Very Dry | ed-hale |
Activity Feed
username | action | type | title | date |
---|---|---|---|---|
update | event | activity #71463685 | May 11, 2025 @ 11:19am 2 days | |
update | event | activity #70872746 | May 2, 2025 @ 9:22pm May 2, 2025 | |
trailforks | add | video | activity #69788576 | Apr 17, 2025 @ 3:00am Apr 17, 2025 |
MattRZ7S8X | wishlist | region | activity #69655609 | Apr 14, 2025 @ 5:51pm Apr 14, 2025 |
stumblingrumblin | wishlist | region | activity #69265548 | Apr 8, 2025 @ 6:03pm Apr 8, 2025 |
Recent Comments
username | type | title | comment | date |
---|---|---|---|---|
trail | J | Oct 16, 2022 @ 2:22pm Oct 16, 2022 | ||
trail | If you start at the school you start with a... | Jan 22, 2022 @ 9:08am Jan 22, 2022 | ||
trail | The road is closed | Jun 16, 2018 @ 3:02pm Jun 16, 2018 | ||
trail | These trails are in serious need of some... | Dec 29, 2017 @ 4:42pm Dec 29, 2017 | ||
trail | These trails are in serious need of some... | Dec 29, 2017 @ 4:42pm Dec 29, 2017 |
Local Badges
-
10 Blue Trails19 awarded -
10 Black Trails49 awarded -
Epic Ride Climb 2k10 awarded -
Climbing 10k Badge30 awarded -
Climbing 100k Badge0 awarded -
Epic Ride Descent 2k7 awarded
Activity Type Stats
activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mountain Bike | 42 | 22 miles | 6,936 ft | 15 miles | 1,778 ft | #2,450 | #1,198 | 228 | 169 | 1 | 4,348 | |
Hike | 29 | 18 miles | 4,088 ft | 12 miles | 1,778 ft | #1,943 | #1,082 | 167 | 326 | |||
Trail Running | 29 | 18 miles | 4,088 ft | 12 miles | 1,778 ft | #1,956 | #1,086 | 167 | 408 |
- By SoCal-AM
& contributors
- Admins: SDMBA
- #8892 - 6,063 views
- alpine activity log | embed map of Alpine mountain bike trails | alpine mountain biking points of interest polygons
Downloading of trail gps tracks in kml & gpx formats is enabled for Alpine.
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